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Prove you are human by reading this resistor

Click/tap drag the number in the circle of each slider on the left to the matching color band on the resistor.

When was Einstein invited to Oxford?

Oxford, 16 May 1931. Inv. 44725. Albert Einstein (1879–1955) was already internationally celebrated for his special and general theories of relativity when he was invited to Oxford in 1931. This was a time of great excitement in the astronomical world, and The Oxford Times reported that the audience for his first lecture was full ...

Who was the first person to explain the red shifts in the universe?

During the 1920s, the work of the astronomer Edwin Hubble (1889–1953) on red shifts had established that other galaxies were receding from our own. In combination with his own theories, Einstein was able to use Hubble’s observations to explain this apparent expansion of the Universe.

What is Einstein's theory?

Albert Einstein (1879–1955) was already internationally celebrated for his special and general theories of relativity when he was invited to Oxford in 1931.